Siemens SIMATIC ET 200SP Manual page 67

Truth table
Software enable Function DI
SW_ENABLE parameter
1 HW_ENABLE
0 → 1 Input or External
stop
0 HW_ENABLE or
Input or External
stop
1 Input
1 HW_ENABLE
1 External stop
0 → 1 HW_ENABLE
Technology module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 09/2015, A5E35061186-AA
Hardware enable
(DIn.0 digital input)
0 → 1 and remains 1 during
the input delay.
Only active for the first posi-
tive edge, additional positive
edges are ignored and no
start occurs.
Any state
Any state
Any state
0
0 → 1
0
Digital output DQn.A and
DQn.B
If On-delay > 0:
DQn.A: 0
DQn.B: 0
If On-delay = 0:
Forward: Backward:
DQn.A: 1 DQn.A: 0
DQn.B: 0 DQn.B: 1
If On-delay > 0
DQn.A: 0
DQn.B: 0
If On-delay = 0
Forward: Backward:
DQn.A: 1 DQn.A: 0
DQn.B: 0 DQn.B: 1
DQn.A: Tri-state
DQn.B: Tri-state
If On-delay is not expired
or during interpulse time:
DQn.A: 0
DQn.B: 0
If On-delay is expired and
during the pulse duration:
Forward: Backward:
DQn.A: 1 DQn.A: 0
DQn.B: 0 DQn.B: 1
DQn.A: Tri-state
DQn.B: Tri-state
DQn.A: Tri-state
DQn.B: Tri-state
DQn.A: Tri-state
DQn.B: Tri-state
Modes and Functions
3.7 DC motor mode
STS_ENABLE Output sequence
0 → 1 Start
0 → 1 Start
0 Cancel
-
1 → 0 Stop
1 → 0 Stop
0 -
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